Pre-Check

1. SETTING THE THEFT DETERRENT MODE
The system will be automatically set to the theft deterrent mode about 30 seconds after the setting process listed below are performed.
Setting Processes: (do processes (a) (c) in the order)
(a) Remove the ignition key from the key cylinder.
(b) Close all entry points (door, hood and luggage compartment door).
(c) Use any one of the following methods to lock all the doors depending on a given condition.
(1) Use the key to lock the driver-side door (as a result, all the doors will be locked), or
(2) Use the remote control to lock any door (as a result, all the doors will be locked), or
(3) If the front right or left door is unlocked when both the rear doors are already locked, lock and close the remaining unlocked door by hand (as a result, all the doors will be locked).
(d) About 30 seconds after the above process (c), the theft deterrent mode will automatically start.

HINT: The closing/locking of all the entry points (doors, hood and luggage) must remain unchanged for about 28 seconds after the above process (c) is completed and then in about another 2 seconds (which is called "DETECTION TIME"), the system will start the theft deterrent mode.





2. THEFT DETERRENT OPERATION
When the system is set to the theft deterrent mode and any of the following conditions are met, the system sounds the horns and flashes the headlights and the taillights for about 1 minute. At the same time, the system disconnects the starter motor circuit *1 and locks all doors (If all door are not locked at once, the system repeats door locking operation every 0.55 seconds during the one minute alarm time). The system continues to disconnect the starter motor circuit after the system is operated until the theft deterrent mode is cancelled.
Condition
(1) Any of the doors (Including the engine hood and luggage compartment door) is unlocked or opened without the key.
(2) The ignition switch is turned to the ACT or ON position without the ignition key.
(3) The battery terminal is disconnected and reconnected.* 1
(4) The system receives panic signal from remote keyless entry.*2
* 1: The theft deterrent mode is activated if the battery is reconnected after it is disconnected.
*2: When the ignition key is not inserted in the key cylinder.





3. CANCELLATION OF THEFT DETERRENT OPERATION OR MODE
The theft deterrent operation of mode can be cancelled when any of the following conditions is met.
*1: In this case, the starter cut is not cancelled.
*2: This applies only when the theft deterrent operation is never activated. If the theft deterrent operation is activated even once, the starter cut is not cancelled.
*3: The system is set to the theft deterrent mode again in about 2 seconds after the operation stops, if all doors are closed.
*4: The mode is cancelled only temporarily while the luggage compartment door is open. The system is set to the theft deterrent mode again in about 2 seconds after the luggage compartment door is closed.








4. INDICATOR LIGHT (LED)
The indicator light functions as shown below according to the system condition in the theft deterrent mode. If remains off in the initial state.

5. KEEPING POWER SUPPLY FUNCTION IN CASE OF DOME FUSE OPEN
Even if the dome fuse blows open on the theft deterrent mode, the system will keep working on the theft deterrent mode.





6. ECU DATA MONITOR USING LEXUS HAND-HELD TESTER
(a) Hook up the LEXUS hand-held tester to the DLC2.
(b) Monitor the ECU data by following the prompts on the tester screen.

HINT: LEXUS hand-held tester had a "Snapshot" function which records the monitored data. Please refer to the LEXUS hand-held tester operator's manual for further details.